1. Wafer Diameter: (125 x 125)+/-0,4mm
2. Dimensions Tolerance: +/-0,4mm
3. Thickness of wafer, measured in the center of wafer: 190+/- 10?m, ?185 ?m
4. TTV: not more than 25 ?m
5. Saw mark: ?15 ?m, invisible by eyes
6. Camber: ?30 ?m
7. Arc width departure(Big and small angle): ?2mm in 45°
8. Surface Quality: No crack, no obvious saw mark, without obvious tactility, no pit, no V type gap, no hole, no glue left, surface cleaned, no abnormal spot, no stain.
9. Notch: not allowed
10. Tiny luminance Edge: Width ?1/3 of wafer thickness; Length?1/2 of wafer dimension
11. Edge defect: Edge defect width ?0.2mm; extension less than 0.5mm; with total quantity ?2, distance?30mm
| Place of origin: | china |
| Brand: | jinglong |
| Price: | Ask for price |
Category: Medicine, Health & Beauty -> Beauty care -> Baby cosmetics
Hebei Jinglong I/E trade co.,ltd |
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| Street: | Xinhua | ||||||
| City: | Shijiazhuang | ||||||
| Postal code: | 050051 | ||||||
| Country: | China | ||||||
| Phone: | +86 311 87897228 | ||||||
| Fax: | +86 311 87897226 | ||||||
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Contact person |
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| Name and Surname: | Emily Guo | ||||||
| Phone: | +86 311 87897228 | ||||||